Simple Select box

index.html

<div class="field">
  <div class="field__head">
    <label class="field__ttl" for="select">Select box title</label>
    <span class="field__tag is-require">Required</span>
  </div>
  <div class="field__body">
    <div class="select-box">
      <select name="select" id="select" required>
        <option selected hidden>Please select</option>
        <option value="#">select 1</option>
        <option value="#">select 2</option>
        <option value="#">select 3</option>
      </select>
    </div>
  </div>
</div>

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>

simple-select-box.markdown

Simple Select box

A Pen by TSURUOKA TAKSHI on CodePen.

License.

style.scss

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap");

body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: #1d1e22;
  font-family: Montserrat;
}

/* select box
---------------------------------------------------------*/
.field {
  width: calc(100% - 20px);
  max-width: 80vw;
  margin-inline: auto;
}

.field__head {
  display: flex;
  align-items: center;
  gap: 15px;
}

.field__ttl {
  color: #ddd;
  font-family: inherit;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.field__tag {
  padding: 6px 9px;
  border-radius: 2px;
  color: #ddd;
  font-family: inherit;
  font-size: 15px;
  font-weight: 400;
  line-height: 100%;

  &.is-require {
    background: #ee8013;
  }
}

.field__body {
  margin-top: 15px;
}

.select-box {
  position: relative;
  width: 100%;
  border-radius: 5px;
  background: #ddd;
  z-index: 1;

  &::after {
    position: absolute;
    top: 50%;
    right: 15px;
    width: 8px;
    height: 8px;
    border-right: 3px solid #333;
    border-bottom: 3px solid #333;
    transform: translateY(-50%) rotate(45deg);
    content: "";
    z-index: -1;
  }
}

/* Reset default style */
select {
  appearance: none;
  width: 100%;
  height: 100%;
  border: none;
  background: none;
}

/* Reset default style for IE */
select::-ms-expand {
  display: none;
}

select {
  padding: 15px;
  width: inherit;
  color: #333;
  font-size: 20px;
  font-weight: 400;
  font-family: inherit;
}

styles

<link href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.css" rel="stylesheet" />